| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 19/01/2000 | 9 | 30 | DSO | S08W27 | |
| 20/01/2000 | 10 | 100 | DSO | S09W42 | |
| 21/01/2000 | 9 | 220 | DSO | S08W55 | |
| 22/01/2000 | 6 | 580 | EKO | S07W69 | |
| 23/01/2000 | 4 | 370 | EKO | S07W82 | |
| 24/01/2000 | 1 | 190 | HRX | S08W91 |
| C |
|---|
| 1 |
| Départ | Maximum | Fin | ||||
|---|---|---|---|---|---|---|
| 1 | C7.3 | 21/01/2000 | 11:33 | 11:42 | 11:52 |
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| Dernière classe X | 08/12/2025 | X1.1 |
| Dernière classe M | 12/12/2025 | M1.1 |
| Dernier orage géomagnétique | 12/12/2025 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| novembre 2025 | 91.8 -22.8 |
| décembre 2025 | 131.8 +40 |
| 30 derniers jours | 108.3 +14.5 |